A special type of bar graph in which data are grouped into intervals of equal width first two letters hi

An an average person has 6×10 by the power of two as many red blood cells as white blood cells a small sample of the blood has 7×10 by the power of three white blood cells about how many red blood cells are in the sample

Me. i can't figure out this question. give an explanation too. .

Last one and the bottom answer choice is y=(x-4)^2+1 you guys!